Light Switch No Neutral Wire Uk

The switch still breaks the circuit but in this case the smart switch can tap into the neutral wire to keep power flowing through the switch the electronics in the switch still break the circuit to the light but the switch maintains a circuit so it is always receiving power.

Light switch no neutral wire uk.

How to wire a light switch learning how to wire a light switch is one of the basic skills that every homeowner should do. Our instructions on how to wire a light switch for a standard light switch a three way light switch and a four way. The line voltage goes to the light first then to the switch no neutral both circuits work just fine when you only have a standard mechanical switch. I ve read the forums but cannot find a solution to my particular configuration.

As a homeowner you will likely need to replace a light switch many times and paying an electrician is not optimal when you can do it in just a few minutes. Classic design one way two way configurable. A metal light switch must be earthed as seen below. Standards full wi fi control set scenes ifttt non dimmable.

However you run into a problem when you have a smart switch. The original single pole switch is housed in a double box with no neutral wires twisted at the back. Running neutral from the light source is not an ideal scenario. For two way switching you need to replace both switches.

In the diagrams below the dotted rectangle represents a smart switch. The l2 terminal is unused. Fits standard uk 25mm back box. A two way light switch can also be used in in place of a one way light switch in this instance the red wire from the feed cable is connected to the common c terminal and the red wire going to the light is connected to the l1 terminal.

Why is no neutral a problem for smart switches. No neutral wire needed no hub direct swap for uk switches. If there is not then you need to do extra work to get a neutral wire in there which stops a lot of people from doing it at all. Here is a diagram of a standard switch with a neutral wire.

If there is a neutral wire present in the light switch already then it is simply a case of swapping them over.